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Submission #330932

# Submission time Handle Problem Language Result Execution time Memory
330932 2020-11-26T23:03:04 Z nvmdava Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1107 ms 103916 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 1'000'005;
const ll MOD = 1'000'000'007;
const int INF = 0x3f3f3f3f;

int w[N], ans[N];
vector<int> t;
vector<pair<int, int> > v[N];
vector<pair<pair<int, int>, int> > q[N];

int fen[N];

int query(int r){
    int mx = 0;
    while(r){
        mx = max(mx, fen[r]);
        r -= r & -r;
    }
    return mx;
}

void update(int r, int x){
    while(r < N){
        fen[r] = max(fen[r], x);
        r += r & -r;
    }
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, m;
    cin>>n>>m;

    for(int i = 1; i <= n; ++i)
        cin>>w[i];

    for(int i = 1; i <= n; ++i){
        while(!t.empty() && w[t.back()] <= w[i])
            t.pop_back();
        if(!t.empty())
            v[t.back()].push_back({i, w[i] + w[t.back()]});
        t.push_back(i);
    }

    for(int i = 1; i <= m; ++i){
        int l, r, k;
        cin>>l>>r>>k;
        q[l].push_back({{r, k}, i});
    }

    for(int i = n; i > 0; --i){
        for(auto& x : v[i])
            update(x.ff, x.ss);
        for(auto& x : q[i])
            ans[x.ss] = (query(x.ff.ff) <= x.ff.ss);
    }
    for(int i = 1; i <= m; ++i)
        cout<<ans[i]<<'\n';
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 47340 KB Output is correct
2 Correct 30 ms 47468 KB Output is correct
3 Correct 31 ms 47340 KB Output is correct
4 Correct 30 ms 47340 KB Output is correct
5 Correct 31 ms 47340 KB Output is correct
6 Correct 31 ms 47468 KB Output is correct
7 Correct 33 ms 47468 KB Output is correct
8 Correct 31 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47488 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 47340 KB Output is correct
2 Correct 30 ms 47468 KB Output is correct
3 Correct 31 ms 47340 KB Output is correct
4 Correct 30 ms 47340 KB Output is correct
5 Correct 31 ms 47340 KB Output is correct
6 Correct 31 ms 47468 KB Output is correct
7 Correct 33 ms 47468 KB Output is correct
8 Correct 31 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47488 KB Output is correct
11 Correct 32 ms 47596 KB Output is correct
12 Correct 33 ms 47636 KB Output is correct
13 Correct 34 ms 47724 KB Output is correct
14 Correct 34 ms 47852 KB Output is correct
15 Correct 34 ms 47852 KB Output is correct
16 Correct 33 ms 47724 KB Output is correct
17 Correct 33 ms 47596 KB Output is correct
18 Correct 34 ms 47596 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1067 ms 102880 KB Output is correct
2 Correct 1083 ms 102892 KB Output is correct
3 Correct 1084 ms 103020 KB Output is correct
4 Correct 1069 ms 102892 KB Output is correct
5 Correct 932 ms 82756 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 54892 KB Output is correct
2 Correct 98 ms 54636 KB Output is correct
3 Correct 95 ms 52460 KB Output is correct
4 Correct 95 ms 52540 KB Output is correct
5 Correct 105 ms 52588 KB Output is correct
6 Correct 82 ms 52076 KB Output is correct
7 Correct 78 ms 51948 KB Output is correct
8 Correct 110 ms 52712 KB Output is correct
9 Correct 67 ms 50852 KB Output is correct
10 Correct 88 ms 52584 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 47340 KB Output is correct
2 Correct 30 ms 47468 KB Output is correct
3 Correct 31 ms 47340 KB Output is correct
4 Correct 30 ms 47340 KB Output is correct
5 Correct 31 ms 47340 KB Output is correct
6 Correct 31 ms 47468 KB Output is correct
7 Correct 33 ms 47468 KB Output is correct
8 Correct 31 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47488 KB Output is correct
11 Correct 32 ms 47596 KB Output is correct
12 Correct 33 ms 47636 KB Output is correct
13 Correct 34 ms 47724 KB Output is correct
14 Correct 34 ms 47852 KB Output is correct
15 Correct 34 ms 47852 KB Output is correct
16 Correct 33 ms 47724 KB Output is correct
17 Correct 33 ms 47596 KB Output is correct
18 Correct 34 ms 47596 KB Output is correct
19 Correct 222 ms 64236 KB Output is correct
20 Correct 233 ms 64236 KB Output is correct
21 Correct 196 ms 63852 KB Output is correct
22 Correct 191 ms 62744 KB Output is correct
23 Correct 191 ms 63724 KB Output is correct
24 Correct 162 ms 57708 KB Output is correct
25 Correct 160 ms 58988 KB Output is correct
26 Correct 183 ms 59116 KB Output is correct
27 Correct 180 ms 59244 KB Output is correct
28 Correct 188 ms 58988 KB Output is correct
29 Correct 200 ms 59756 KB Output is correct
30 Correct 198 ms 59756 KB Output is correct
31 Correct 194 ms 59628 KB Output is correct
32 Correct 204 ms 59756 KB Output is correct
33 Correct 195 ms 59756 KB Output is correct
34 Correct 146 ms 58348 KB Output is correct
35 Correct 146 ms 58348 KB Output is correct
36 Correct 143 ms 57196 KB Output is correct
37 Correct 140 ms 58336 KB Output is correct
38 Correct 149 ms 58092 KB Output is correct
39 Correct 170 ms 59172 KB Output is correct
40 Correct 160 ms 56496 KB Output is correct
41 Correct 200 ms 58320 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 47340 KB Output is correct
2 Correct 30 ms 47468 KB Output is correct
3 Correct 31 ms 47340 KB Output is correct
4 Correct 30 ms 47340 KB Output is correct
5 Correct 31 ms 47340 KB Output is correct
6 Correct 31 ms 47468 KB Output is correct
7 Correct 33 ms 47468 KB Output is correct
8 Correct 31 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47488 KB Output is correct
11 Correct 32 ms 47596 KB Output is correct
12 Correct 33 ms 47636 KB Output is correct
13 Correct 34 ms 47724 KB Output is correct
14 Correct 34 ms 47852 KB Output is correct
15 Correct 34 ms 47852 KB Output is correct
16 Correct 33 ms 47724 KB Output is correct
17 Correct 33 ms 47596 KB Output is correct
18 Correct 34 ms 47596 KB Output is correct
19 Correct 1067 ms 102880 KB Output is correct
20 Correct 1083 ms 102892 KB Output is correct
21 Correct 1084 ms 103020 KB Output is correct
22 Correct 1069 ms 102892 KB Output is correct
23 Correct 932 ms 82756 KB Output is correct
24 Correct 112 ms 54892 KB Output is correct
25 Correct 98 ms 54636 KB Output is correct
26 Correct 95 ms 52460 KB Output is correct
27 Correct 95 ms 52540 KB Output is correct
28 Correct 105 ms 52588 KB Output is correct
29 Correct 82 ms 52076 KB Output is correct
30 Correct 78 ms 51948 KB Output is correct
31 Correct 110 ms 52712 KB Output is correct
32 Correct 67 ms 50852 KB Output is correct
33 Correct 88 ms 52584 KB Output is correct
34 Correct 222 ms 64236 KB Output is correct
35 Correct 233 ms 64236 KB Output is correct
36 Correct 196 ms 63852 KB Output is correct
37 Correct 191 ms 62744 KB Output is correct
38 Correct 191 ms 63724 KB Output is correct
39 Correct 162 ms 57708 KB Output is correct
40 Correct 160 ms 58988 KB Output is correct
41 Correct 183 ms 59116 KB Output is correct
42 Correct 180 ms 59244 KB Output is correct
43 Correct 188 ms 58988 KB Output is correct
44 Correct 200 ms 59756 KB Output is correct
45 Correct 198 ms 59756 KB Output is correct
46 Correct 194 ms 59628 KB Output is correct
47 Correct 204 ms 59756 KB Output is correct
48 Correct 195 ms 59756 KB Output is correct
49 Correct 146 ms 58348 KB Output is correct
50 Correct 146 ms 58348 KB Output is correct
51 Correct 143 ms 57196 KB Output is correct
52 Correct 140 ms 58336 KB Output is correct
53 Correct 149 ms 58092 KB Output is correct
54 Correct 170 ms 59172 KB Output is correct
55 Correct 160 ms 56496 KB Output is correct
56 Correct 200 ms 58320 KB Output is correct
57 Correct 1107 ms 103916 KB Output is correct
58 Correct 1098 ms 103916 KB Output is correct
59 Correct 1028 ms 102004 KB Output is correct
60 Correct 1031 ms 101948 KB Output is correct
61 Correct 1025 ms 101844 KB Output is correct
62 Correct 1095 ms 102060 KB Output is correct
63 Correct 663 ms 75244 KB Output is correct
64 Correct 654 ms 75628 KB Output is correct
65 Correct 910 ms 78956 KB Output is correct
66 Correct 894 ms 78800 KB Output is correct
67 Correct 892 ms 79468 KB Output is correct
68 Correct 963 ms 81260 KB Output is correct
69 Correct 954 ms 81388 KB Output is correct
70 Correct 977 ms 80500 KB Output is correct
71 Correct 942 ms 82924 KB Output is correct
72 Correct 964 ms 80988 KB Output is correct
73 Correct 591 ms 74520 KB Output is correct
74 Correct 603 ms 74476 KB Output is correct
75 Correct 602 ms 74788 KB Output is correct
76 Correct 569 ms 74476 KB Output is correct
77 Correct 573 ms 74404 KB Output is correct
78 Correct 847 ms 84764 KB Output is correct
79 Correct 646 ms 77272 KB Output is correct
80 Correct 849 ms 89544 KB Output is correct